TP / DP / PP Communication Overlap Skill For stable background and recommendation level, see: - @docs/training/communication-overlap.md Enablement Minimal Bridge override: Optional TP preset: Precision knobs belong to mixed precision: Code Anchors Bridge overlap gating: PP overlap selection: DP overlap defaults: Launch-time env tuning: Pitfalls 1. TP overlap silently disables itself if or Transformer Engine is unavailable. 2. PP overlap is not enabled for all PP cases. Bridge only auto-selects when and . 3. is a parameter-count knob, not a byte-size knob. 4. and should be set through mixed pr…